Radiant|Lab Grown|IGI

3.71ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG790643567

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG790643567

Diamond specifications and retailer prices

From £488 GBP

$650 USD

As of October 30, 2026

Save £5,639 GBP (92%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: £6,128 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.71ct lab-grown radiant diamond

This 3.71ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG790643567 or 790643567. Listed at 27 retailers as of October 29, 2026, with prices from £488 to £6,128, a £5,639 spread on the same certified stone. Brilliant Earth lists it at £6,128. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.71

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.9°

Pavilion angle36.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG790643567

Dimensions11.10 × 7.45 × 5.37 mm

L/W Ratio1.49

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG790643567

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30

Current: £6,128 GBP|Low: £546 GBP|High: £6,128 GBP|Avg: £1,447 GBP

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

October 30, 2026

Retailer 6£546 GBP

Retailer 3£566 GBP

Retailer 16£566 GBP

Retailer 15£698 GBP

Retailer 5£815 GBP

Retailer 2£904 GBP

Retailer 12£915 GBP

Retailer 11£1,285 GBP

Retailer 9£1,314 GBP

Retailer 13£1,315 GBP

Retailer 8£1,361 GBP

Retailer 7£1,762 GBP

Retailer 14£1,826 GBP

Retailer 4£1,908 GBP

Retailer 10£2,387 GBP

Brilliant Earth£6,128 GBP

45 data points across 16 retailers

27 retailers£488 GBP to £6,128 GBP

Cheapest Retailer

£488 GBP

$650 USD

Retailer 2

£488 GBP

$650 USD

View

Price last confirmed 30 days ago

Retailer 3

£531 GBP

$707 USD

View

Price last confirmed 32 days ago

Retailer 4

£546 GBP

$727 USD

View

Final sale: no returns

Retailer 5

£558 GBP

$743 USD

View

Price last confirmed 31 days ago

Retailer 6

£566 GBP

$754 USD

View

Price last confirmed 13 days ago

Retailer 7

£566 GBP

$754 USD

View

Retailer 8

£663 GBP

HK$6,900 HKD

View

Retailer 9

£698 GBP

$930 USD

View

B+

Retailer 10

£811 GBP

$1,080 USD

View

Retailer 11

£815 GBP

$1,085 USD

View

Retailer 12

£904 GBP

View

Retailer 13

£915 GBP

€1,161 EUR

View

Retailer 14

£1,285 GBP

A$2,633 AUD

View

Price last confirmed 9 days ago

Retailer 15

£1,314 GBP

ZAR 28,264 ZAR

View

B+

Retailer 16

£1,315 GBP

$1,751 USD

View

B+

Retailer 17

£1,361 GBP

$1,812 USD

View

B+

Retailer 18

£1,423 GBP

$1,895 USD

View

Retailer 19

£1,591 GBP

$2,119 USD

View

Price last confirmed 29 days ago

B+

Retailer 20

£1,762 GBP

View

B+

Retailer 21

£1,826 GBP

$2,432 USD

View

B+

Retailer 22

£1,908 GBP

SGD 3,434 SGD

View

B+

Retailer 23

£1,952 GBP

$2,600 USD

View

B+

Retailer 24

£1,974 GBP

$2,628 USD

View

B+

Retailer 25

£2,023 GBP

$2,694 USD

View

B+

Retailer 26

£2,387 GBP

View

Most Expensive

Brilliant Earth

18903824A · Oct 29

£6,128 GBP

$8,160 USD

View

26 more retailers have this diamond

Prices start from £488 GBPSave up to £5,639 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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